import SignBoard from "../SignBoard";
import Texture from "../texture/Texture";
declare class Renderer {
    private _signboard;
    private _canvas;
    private _gl;
    private _program;
    private _buffers;
    private _uniforms;
    private _texture;
    private _lastRenderTime;
    private _animationID;
    private _prevScroll;
    private _contextLost;
    get animating(): boolean;
    get canvas(): HTMLCanvasElement;
    get gl(): WebGLRenderingContext;
    constructor(canvas: HTMLCanvasElement, signboard: SignBoard);
    destroy(): void;
    init(): void;
    setTexture(texture: Texture): void;
    resize(): void;
    start(): void;
    stop(): void;
    render(): void;
    updateUniforms(): void;
    updateTextureOffset(): void;
    private _onAnimationFrame;
    private _compileShader;
    private _createWebGLProgram;
    private _bindAttributes;
    private _bindUniforms;
    private _increaseScrollOffset;
}
export default Renderer;